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<DIV CLASS="navbar"><A HREF="http://vt100.net/"><IMG CLASS="button" SRC="vt100.net-logo.png" ALT="VT100.net" HEIGHT="16" WIDTH="102"></A> VT220 Programmer Reference Manual<TABLE WIDTH="100%">
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<TD ALIGN="LEFT"><A HREF="chapter3.html">Chapter 3</A></TD>
<TD ALIGN="CENTER"><A HREF="contents.html">Contents</A></TD>
<TD ALIGN="RIGHT">&nbsp;</TD>
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<TABLE ID="T3-4" CELLPADDING="4">
<CAPTION>Table 3-4 Codes Generated by Top Row Function Keys</CAPTION>
<THEAD>
<TR>
<TD></TD>
<TD></TD>
<TH COLSPAN="2">Code Generated</TH>
</TR>
<TR VALIGN="BOTTOM">
<TH ALIGN="LEFT">Name on Legend Strip</TH>
<TH ALIGN="LEFT">Generic Name</TH>
<TH ALIGN="LEFT">VT200 Mode</TH>
<TH ALIGN="LEFT">VT100, VT52 Modes</TH>
</TR>
</THEAD>
<TFOOT>
<TR>
<TD COLSPAN="4">* F1 through F5 are local function keys and do not generate codes.</TD>
</TR>
</TFOOT>
<TBODY>
<TR VALIGN="TOP">
<TD>HOLD SCREEN</TD>
<TD>(F1)*</TD>
<TD>--</TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>PRINT SCREEN</TD>
<TD>(F2)*</TD>
<TD>--</TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>SET-UP</TD>
<TD>(F3)*</TD>
<TD>--</TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>DATA/TALK</TD>
<TD>(F4)*</TD>
<TD>--</TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>BREAK</TD>
<TD>(F5)*</TD>
<TD>--</TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>F6</TD>
<TD>F6</TD>
<TD><PRE>9/11  3/1   3/7  7/14
CSI   1     7    ~</PRE></TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>F7</TD>
<TD>F7</TD>
<TD><PRE>9/11  3/1   3/8  7/14
CSI   1     8    ~</PRE></TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>F8</TD>
<TD>F8</TD>
<TD><PRE>9/11  3/1   3/9  7/14
CSI   1     9    ~</PRE></TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>F9</TD>
<TD>F9</TD>
<TD><PRE>9/11  3/2   3/0  7/14
CSI   2     0    ~</PRE></TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>F10</TD>
<TD>F10</TD>
<TD><PRE>9/11  3/2   3/1  7/14
CSI   2     1    ~</PRE></TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>F11 (ESC)</TD>
<TD>F11</TD>
<TD><PRE>9/11  3/2   3/3  7/14
CSI   2     3    ~</PRE></TD>
<TD><PRE>1/11
ESC</PRE></TD>
</TR>
<TR VALIGN="TOP">
<TD>F12 (BS)</TD>
<TD>F12</TD>
<TD><PRE>9/11  3/2   3/4  7/14
CSI   2     4    ~</PRE></TD>
<TD><PRE>0/8
BS</PRE></TD>
</TR>
<TR VALIGN="TOP">
<TD>F13 (LF)</TD>
<TD>F13</TD>
<TD><PRE>9/11  3/2   3/5  7/14
CSI   2     5    ~</PRE></TD>
<TD><PRE>0/10
LF</PRE></TD>
</TR>
<TR VALIGN="TOP">
<TD>F14</TD>
<TD>F14</TD>
<TD><PRE>9/11  3/2   3/6  7/14
CSI   2     6    ~</PRE></TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>HELP</TD>
<TD>(F15)</TD>
<TD><PRE>9/11  3/2   3/8  7/14
CSI   2     8    ~</PRE></TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>DO</TD>
<TD>(F16)</TD>
<TD><PRE>9/11  3/2   3/9  7/14
CSI   2     9    ~</PRE></TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>F17</TD>
<TD>F17</TD>
<TD><PRE>9/11  3/3   3/1  7/14
CSI   3     1    ~</PRE></TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>F18</TD>
<TD>F18</TD>
<TD><PRE>9/11  3/3   3/2  7/14
CSI   3     2    ~</PRE></TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>F19</TD>
<TD>F19</TD>
<TD><PRE>9/11  3/3   3/3  7/14
CSI   3     3    ~</PRE></TD>
<TD>--</TD>
</TR>
<TR VALIGN="TOP">
<TD>F20</TD>
<TD>F20</TD>
<TD><PRE>9/11  3/3   3/4  7/14
CSI   3     4    ~</PRE></TD>
<TD>--</TD>
</TR>
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